Render Painting in Cardiff
Primrose Decor paint rendered walls across Cardiff.
Render is the smooth or sand-faced finish applied directly over brick or block. It is common on Cardiff’s inter-war semis, post-war estates, and modernised properties. We clean, prepare, and repaint rendered exterior walls using breathable masonry paint suited to the surface and the Welsh climate.
What we cover:
- Smooth and fine-textured render — standard colour refresh or change
- Sand-and-cement roughcast render — correct tools and paint weight
- K-Rend and polymer render systems — thin-coat, colour-in-mix systems that can be repainted
- Lime render on period properties — breathable coatings required
- Surface repairs and crack filling included before painting
Cardiff’s rendered housing stock spans 1930s semis in Whitchurch and Rhiwbina, 1950s–70s estates in Llanishen and Heath, and Penarth’s Victorian and Edwardian villas where render provides coastal weather protection.
Call 029 2271 0084 for a free quote.
Why Choose Primrose Decor
Preparation First
Cracked, algae-covered, or damp render fails paint quickly. We clean, treat, and repair before any paint goes on.
Breathable Coatings
Rendered walls need vapour-permeable paint. Sealing moisture in causes bubbling, blistering, and early failure. We specify the right product for the render type.
Local Experience
We work regularly on Cardiff’s inter-war semis, post-war estates, and period coastal properties in Penarth.
Fully Insured
Full public liability cover on every job.
Get My Free Quote
Get a free render painting quote today
Render Painting Services in Cardiff
Smooth and Fine-Textured Render
Smooth render is the standard finish on Cardiff’s inter-war semis in Whitchurch, Rhiwbina, and Canton, and on post-war estates in Llanishen and Heath. Many of these same properties also feature pebbledash on upper storeys. Over time, it fades, stains, and develops hairline cracks from seasonal movement.
We pressure wash, fill cracks, prime bare or repaired areas, and finish with two coats of exterior masonry paint. Colour changes — fresh grey over old cream, or off-white over flaking brown — are the most common request.
Hairline Cracks and Surface Repairs
Hairline cracks form at movement joints, window surrounds, and any section where render has dried unevenly or experienced settlement. Left open, they admit moisture and extend in wet weather.
We fill hairline cracks with exterior flexible filler before priming. Larger cracks or sections of blown render are cut back to a stable edge, filled, and cured before painting.
K-Rend and Polymer Render
K-Rend and similar polymer render systems are thin-coat finishes, typically colour-in-the-mix rather than painted over. They can be recoated when the surface weathers, but require a compatible paint product — standard masonry paint may not bond adequately.
We advise on the correct product before quoting. K-Rend is common on properties built or re-rendered from the 2000s onwards, including newer builds in Pentwyn and Thornhill.
Lime Render on Period Properties
Cardiff’s Victorian and Edwardian terraces in Pontcanna, Canton, and Roath — and coastal properties in Penarth — may have original lime render. Lime render is soft and breathable. Applying non-breathable modern paint traps moisture and causes the render to fail.
We use vapour-permeable coatings — silicate masonry paints or lime-wash finishes — and advise on the correct product at survey stage.
Biological Growth Treatment
North-facing render on Cardiff properties accumulates algae, lichen, and moss, particularly in shaded sections behind hedges or under overhangs. Paint applied over live algae fails within months.
We apply a mould treatment before washing — this is included as standard on every render painting project. Shaded elevations in Whitchurch and Rhiwbina are most commonly affected.
Our Render Painting Process
1. Survey
Render type, surface condition, cracking, blown sections, and biological growth assessed.
2. Pressure Washing
All surfaces washed thoroughly and allowed to dry.
3. Mould Treatment
Contaminated areas treated and left to work.
4. Repairs
Hairline cracks filled. Hollow or detached render sections cut back, repaired, and cured.
5. Masking
Windows, doors, sills, and adjacent brickwork masked.
6. Priming
Bare or repaired sections primed with masonry primer.
7. Paint Application
Two finish coats of breathable masonry paint by roller and brush, or spray for large elevations.
Get My Free Quote
Speak to a local painter today
Render Painting Costs in Cardiff
Prices below are estimates only. Every property is different. Call 029 2271 0084 for a precise quote.
Typical Range
A 3-bed terraced house with rendered front only typically costs £480–£850. A 3-bed semi with all rendered elevations, typical in Llanishen or Heath, runs from £950 to £1,700. A 4-bed detached fully rendered property costs £1,500–£2,600. Scaffold hire for two-storey work adds £300–£600.
What Drives the Price
Surface condition and extent of crack repairs are the main factors. Render type also matters — K-Rend and lime render have higher specification and product costs. The number of coats required for colour changes increases material and labour cost.
Render Painting FAQs
Get My Free Quote
Fill in the form below for a free quote: